drew@drewexmachina.com
The planets in our solar system are rather neatly grouped into two broad categories: relatively small rocky terrestrial planets and large non-rocky gas giants. With the […]
In addition to Drew Ex Machina and writing articles for various print and on-line outlets on space-related topics, I also work as a physicist specializing in […]
With so many spacecraft currently operating in orbit and on the surface of Mars today, it seems hard to believe that just a half a century […]
Sometimes it is amazing the kind of stuff one can find while stumbling around on the internet. A few years ago I found something that seems […]
While one of the primary motivations for NASA’s Kepler mission has been the detection of Earth-size planets orbiting Sun-like stars in Earth-like orbits using precision photometry […]
The first confirmed discovery of an extrasolar planet took place in 1992 with the detection of planets orbiting the pulsar known as PSR 1257+12 followed in […]
Today marks the second anniversary of the announcement of the discovery of the planet α Centauri Bb. But despite the importance of finding a planet orbiting […]
A half a century ago at this time, about three and a half years had already passed since the late President Kennedy had set the goal […]
The desire to find life on another planet is as strong today among scientists and lay people as it has ever been. While this search had […]
Without a doubt, the most widely known comet has got to be Comet Halley. First observed in ancient times perhaps as early as 446 BC, it […]
In today’s world, electronic intelligence or ELINT satellites are considered an important part of maintaining the nation’s security. While the National Reconnaissance Office (NRO) is tight […]
In the first part of “The Search for Planets Around Alpha Centauri”, general information about the α Centauri system (also known by the ancient name, Rigil […]
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